perfect-postcode/frontend/src/components/PropertiesPane.tsx

324 lines
12 KiB
TypeScript

import React, { useMemo, useState } from 'react';
import { Property } from '../types';
import { formatDuration, formatAge } from '../lib/format';
import InfoPopup from './InfoPopup';
interface PropertiesPaneProps {
properties: Property[];
total: number;
loading: boolean;
hexagonId: string | null;
onLoadMore: () => void;
onClose: () => void;
onNavigateToSource?: (slug: string) => void;
isHoveredPreview?: boolean;
hoverMode?: boolean;
onHoverModeChange?: (enabled: boolean) => void;
}
type SortBy = 'price' | 'size' | 'energy';
export function PropertiesPane({
properties,
total,
loading,
hexagonId,
onLoadMore,
onClose,
onNavigateToSource,
isHoveredPreview,
hoverMode,
onHoverModeChange,
}: PropertiesPaneProps) {
const [sortBy, setSortBy] = useState<SortBy>('price');
const [search, setSearch] = useState('');
const [showInfo, setShowInfo] = useState(false);
const filteredAndSorted = useMemo(() => {
const query = search.trim().toLowerCase();
const filtered = query
? properties.filter((p) => {
const addr = (p.address || '').toLowerCase();
const pc = (p.postcode || '').toLowerCase();
return addr.includes(query) || pc.includes(query);
})
: properties;
return [...filtered].sort((a, b) => {
switch (sortBy) {
case 'price':
return ((b.latest_price as number) || 0) - ((a.latest_price as number) || 0);
case 'size':
return ((b.total_floor_area as number) || 0) - ((a.total_floor_area as number) || 0);
case 'energy':
return (a.current_energy_rating || 'Z').localeCompare(b.current_energy_rating || 'Z');
}
});
}, [properties, sortBy, search]);
if (!hexagonId) {
return (
<div className="flex items-center justify-center h-full text-warm-500 dark:text-warm-400">
Click a hexagon to view properties
</div>
);
}
return (
<div className="flex flex-col h-full">
<div className="p-4 border-b border-warm-200 dark:border-navy-700">
<div className="flex justify-between items-center">
<div className="flex items-center gap-2">
<h2 className="text-lg font-semibold dark:text-warm-100">Properties</h2>
{isHoveredPreview && (
<span className="text-xs px-1.5 py-0.5 rounded bg-teal-50 dark:bg-teal-900/30 text-teal-600 dark:text-teal-400">
Preview
</span>
)}
<button
onClick={() => setShowInfo(true)}
className="text-warm-400 hover:text-warm-700 dark:hover:text-warm-300 p-0.5 rounded"
title="Data source info"
>
<svg
className="w-3.5 h-3.5"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth={2}
>
<circle cx="12" cy="12" r="10" />
<path strokeLinecap="round" d="M12 16v-4m0-4h.01" />
</svg>
</button>
</div>
<div className="flex items-center gap-1">
{onHoverModeChange && (
<button
onClick={() => onHoverModeChange(!hoverMode)}
className={`p-1 rounded ${
hoverMode
? 'text-teal-600 dark:text-teal-400 bg-teal-50 dark:bg-teal-900/30'
: 'text-warm-400 hover:text-warm-700 dark:hover:text-warm-300'
}`}
title={
hoverMode
? 'Live preview on (click to lock)'
: 'Live preview off (click to enable)'
}
>
<svg
className="w-4 h-4"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth={2}
>
<path
strokeLinecap="round"
strokeLinejoin="round"
d="M15 12a3 3 0 11-6 0 3 3 0 016 0z"
/>
<path
strokeLinecap="round"
strokeLinejoin="round"
d="M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z"
/>
</svg>
</button>
)}
<button
onClick={onClose}
className="text-warm-400 hover:text-warm-700 dark:hover:text-warm-300 p-1"
>
<svg
className="w-4 h-4"
viewBox="0 0 24 24"
fill="none"
stroke="currentColor"
strokeWidth={2}
>
<path strokeLinecap="round" strokeLinejoin="round" d="M6 18L18 6M6 6l12 12" />
</svg>
</button>
</div>
</div>
<p className="text-sm text-warm-600 dark:text-warm-400">
{search.trim()
? `${filteredAndSorted.length} match${filteredAndSorted.length !== 1 ? 'es' : ''} in ${properties.length} loaded`
: `Showing ${properties.length} of ${total} properties`}
</p>
{showInfo && (
<InfoPopup
title="Property Data"
onClose={() => setShowInfo(false)}
sourceLink={
onNavigateToSource
? {
label: 'View data source',
onClick: () => {
onNavigateToSource('epc');
setShowInfo(false);
},
}
: undefined
}
>
<p className="text-sm text-warm-700 dark:text-warm-300 mb-4 leading-relaxed">
Property data combines Energy Performance Certificates (EPC) with HM Land Registry
Price Paid records, fuzzy-matched by address within each postcode. Includes floor
area, energy ratings, construction age, and tenure from EPC surveys, plus the most
recent sale price from the Land Registry.
</p>
</InfoPopup>
)}
</div>
<div className="p-2 border-b border-warm-200 dark:border-navy-700 space-y-2">
<input
type="text"
value={search}
onChange={(e) => setSearch(e.target.value)}
placeholder="Search by address or postcode..."
className="w-full p-2 border border-warm-300 dark:border-navy-700 rounded text-sm bg-white dark:bg-navy-800 dark:text-warm-200 placeholder-warm-400 dark:placeholder-warm-500"
/>
<select
value={sortBy}
onChange={(e) => setSortBy(e.target.value as SortBy)}
className="w-full p-2 border border-warm-300 dark:border-navy-700 rounded text-sm bg-white dark:bg-navy-800 dark:text-warm-200"
>
<option value="price">Price (High to Low)</option>
<option value="size">Size (Large to Small)</option>
<option value="energy">Energy Rating (Best to Worst)</option>
</select>
</div>
<div className="flex-1 overflow-y-auto">
{loading && properties.length === 0 ? (
<div className="p-4 dark:text-warm-400">Loading...</div>
) : (
<>
{filteredAndSorted.map((property, idx) => (
<PropertyCard key={idx} property={property} />
))}
{properties.length < total && (
<button
onClick={onLoadMore}
disabled={loading}
className="w-full p-4 text-teal-600 dark:text-teal-400 hover:bg-teal-50 dark:hover:bg-teal-900/30 disabled:opacity-50"
>
{loading ? 'Loading...' : `Load More (${total - properties.length} remaining)`}
</button>
)}
</>
)}
</div>
</div>
);
}
function getNum(property: Property, ...keys: string[]): number | undefined {
for (const key of keys) {
const v = property[key];
if (v !== undefined && v !== null && typeof v === 'number') return v;
}
return undefined;
}
function PropertyCard({ property }: { property: Property }) {
const fmt = (value: number | undefined, decimals = 0): string => {
if (value === undefined) return '';
return decimals > 0 ? value.toFixed(decimals) : Math.round(value).toLocaleString();
};
const price = getNum(property, 'Last known price', 'latest_price');
const pricePerSqm = getNum(property, 'Price per sqm', 'price_per_sqm');
const floorArea = getNum(property, 'Total floor area (sqm)', 'total_floor_area');
const rooms = getNum(
property,
'Rooms (including bedrooms & bathrooms)',
'number_habitable_rooms'
);
const age = getNum(property, 'Approximate construction age', 'construction_age_band');
const councilTax = getNum(property, 'Council tax (£/yr)');
const councilTaxD = getNum(property, 'Council tax Band D (£/yr)');
return (
<div className="p-4 border-b border-warm-100 dark:border-navy-800 hover:bg-warm-50 dark:hover:bg-navy-800">
<div className="font-semibold dark:text-warm-100">
{property.address || 'Unknown Address'}
</div>
<div className="text-sm text-warm-600 dark:text-warm-400">{property.postcode}</div>
{price !== undefined && (
<div className="mt-2 text-lg font-bold text-teal-700 dark:text-teal-400">
£{fmt(price)}
{pricePerSqm !== undefined && (
<span className="text-sm font-normal text-warm-600 dark:text-warm-400">
{' '}
(£{fmt(pricePerSqm)}/m²)
</span>
)}
</div>
)}
<div className="mt-2 grid grid-cols-2 gap-x-4 gap-y-1 text-sm dark:text-warm-300">
{property.property_type && (
<div>
<span className="text-warm-500 dark:text-warm-400">Type:</span> {property.property_type}
</div>
)}
{property.built_form && (
<div>
<span className="text-warm-500 dark:text-warm-400">Built form:</span>{' '}
{property.built_form}
</div>
)}
{property.duration && (
<div>
<span className="text-warm-500 dark:text-warm-400">Tenure:</span>{' '}
{formatDuration(property.duration)}
</div>
)}
{floorArea !== undefined && (
<div>
<span className="text-warm-500 dark:text-warm-400">Floor area:</span> {fmt(floorArea)}m²
</div>
)}
{rooms !== undefined && (
<div>
<span className="text-warm-500 dark:text-warm-400">Rooms:</span> {fmt(rooms)}
</div>
)}
{age !== undefined && (
<div>
<span className="text-warm-500 dark:text-warm-400">Built:</span>{' '}
{formatAge(age, property.is_construction_date_approximate ?? true)}
</div>
)}
{property.current_energy_rating && (
<div>
<span className="text-warm-500 dark:text-warm-400">EPC rating:</span>{' '}
{property.current_energy_rating}
</div>
)}
{property.potential_energy_rating && (
<div>
<span className="text-warm-500 dark:text-warm-400">EPC potential:</span>{' '}
{property.potential_energy_rating}
</div>
)}
{councilTax !== undefined ? (
<div>
<span className="text-warm-500 dark:text-warm-400">Council tax:</span> £
{fmt(councilTax)}/yr
</div>
) : councilTaxD !== undefined ? (
<div>
<span className="text-warm-500 dark:text-warm-400">Council tax (D):</span> £
{fmt(councilTaxD)}/yr
</div>
) : null}
</div>
</div>
);
}